I agree, the ability to tag items with previous names is desirable.
What I was thinking is:
<tag k="old_name" v="Emperor-Wilhelm-Street" end_date="1936"/>
<tag k="old_name" v="Adolf-Hitler-Street" start_date ="1936"
end_date="1945"/>
<tag k="old_name" v="Karl-Marx-Street" start_date ="1945"
end_date="1990"/>
<tag k="old_name" v="Emperor-Wilhelm-Street" start_date ="1990" />
I realize that this requires a little bit more flexibility /
documentation on the part of the mappers, but the above makes it
perfectly clear to the renderer which label to use.
I like the slider idea too.
rhw
Date: Mon, 21 Jan 2013 19:53:48 +0100
From: Tim Alder <[email protected]>
Subject: Re: [Historic] Temporal Tagging - old names
There is also an other OSM-tag we should keep in mind.
I mean key "old_name". We already have more than 50.000 of them in the
database[1], but no real documentation for it.
What I really miss in this feature is a solution for multiple old
names
and the time span for it. For example we have in Germany a lot of
Streets changed there name in this kind:
Emperor-Wilhelm-Street -> Adolf-Hitler-Street -> Karl-Marx-Street
(East
Germany) -> back to Emperor-Wilhelm-Street
(...-1936)->(1936-1945)->(1945-1990)->(1990-...)
For some changes we know exactly when it was but not for all.
(...)
As a vision I see a map with a time-slider and all streets change
there
names if I move the slider.
Greetings Tim alias Kolossos
[1]http://taginfo.openstreetmap.org/keys/old_name
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